:root {
  color-scheme: light;
  --ink: #171c1b;
  --ink-soft: #303936;
  --paper: #f3f2ec;
  --paper-deep: #e4e6df;
  --white: #ffffff;
  --yellow: #f2c348;
  --yellow-strong: #ffd35b;
  --green: #47735d;
  --red: #a64735;
  --line: #c8ccc4;
  --muted: #68716d;
  --max-width: 1240px;
}

* {
  box-sizing: border-box;
  letter-spacing: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.55;
}

body.nav-open {
  overflow: hidden;
}

a {
  color: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
.button {
  font: inherit;
}

img {
  display: block;
  height: auto;
  max-width: 100%;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 100;
  padding: 10px 14px;
  color: var(--ink);
  background: var(--yellow);
  border-radius: 4px;
  transform: translateY(-150%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  min-height: 72px;
  padding: 0 max(24px, calc((100% - var(--max-width)) / 2));
  color: var(--white);
  background: rgba(17, 22, 21, 0.92);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 20px;
  font-weight: 650;
  text-decoration: none;
  white-space: nowrap;
}

.brand strong {
  color: var(--yellow-strong);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  color: var(--ink);
  background: var(--yellow);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 5px;
  font-size: 14px;
  font-weight: 900;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}

.site-nav a {
  color: #e6ebe7;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--yellow-strong);
}

.site-nav .nav-play {
  padding: 9px 14px;
  color: var(--ink);
  background: var(--yellow);
  border-radius: 4px;
}

.site-nav .nav-play:hover,
.site-nav .nav-play:focus-visible {
  color: var(--ink);
  background: var(--yellow-strong);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  padding: 8px 11px;
  color: var(--white);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: 4px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 750;
}

.hero {
  position: relative;
  min-height: 650px;
  height: calc(100svh - 150px);
  max-height: 820px;
  overflow: hidden;
  color: var(--white);
  background: #34413a;
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: 58% center;
}

.hero-shade {
  background: rgba(10, 14, 13, 0.58);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  width: min(var(--max-width), calc(100% - 48px));
  height: 100%;
  margin: 0 auto;
  padding: 120px 0 72px;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--red);
  font-size: 13px;
  font-weight: 850;
  line-height: 1.2;
  text-transform: uppercase;
}

.eyebrow {
  color: var(--yellow-strong);
}

.section-label-light {
  color: var(--yellow-strong);
}

.hero h1 {
  margin: 0;
  font-size: 76px;
  font-weight: 850;
  line-height: 0.96;
  text-shadow: 0 2px 18px rgba(0, 0, 0, 0.55);
}

.hero h1 span {
  color: var(--yellow-strong);
}

.hero-copy {
  max-width: 690px;
  margin: 25px 0 0;
  color: #f4f6f3;
  font-size: 21px;
  font-weight: 520;
  line-height: 1.45;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.75);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 11px 17px;
  border: 1px solid transparent;
  border-radius: 5px;
  font-size: 15px;
  font-weight: 820;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:focus-visible,
.site-nav a:focus-visible,
.nav-toggle:focus-visible {
  outline: 3px solid var(--yellow-strong);
  outline-offset: 3px;
}

.button-primary {
  color: var(--ink);
  background: var(--yellow);
  border-color: var(--yellow);
}

.button-primary:hover {
  background: var(--yellow-strong);
  border-color: var(--yellow-strong);
}

.button-secondary {
  color: var(--white);
  background: rgba(16, 21, 20, 0.7);
  border-color: rgba(255, 255, 255, 0.62);
}

.button-secondary:hover {
  color: var(--ink);
  background: var(--white);
}

.button-note {
  padding-left: 9px;
  border-left: 1px solid currentColor;
  font-size: 11px;
  font-weight: 650;
  opacity: 0.72;
}

.hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 27px;
  margin: 27px 0 0;
  padding: 0;
  color: #dbe2dd;
  list-style: none;
  font-size: 13px;
  font-weight: 700;
}

.hero-facts li {
  position: relative;
  padding-left: 14px;
}

.hero-facts li::before {
  position: absolute;
  top: 0.63em;
  left: 0;
  width: 5px;
  height: 5px;
  background: var(--yellow);
  border-radius: 50%;
  content: "";
}

.section-pad {
  padding: 82px 24px;
}

.section-inner {
  width: min(100%, var(--max-width));
  margin: 0 auto;
}

.intro-band {
  background: var(--paper);
}

.intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: 80px;
  align-items: start;
}

h2 {
  max-width: 820px;
  margin: 0;
  font-size: 46px;
  font-weight: 820;
  line-height: 1.08;
}

.intro-copy {
  padding-top: 29px;
  border-top: 4px solid var(--yellow);
}

.intro-copy p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 18px;
}

.intro-copy p + p {
  margin-top: 20px;
}

.progression {
  color: var(--white);
  background: var(--ink);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.6fr);
  column-gap: 80px;
  align-items: end;
}

.section-heading .section-label {
  grid-column: 1 / -1;
}

.section-heading p:last-child {
  margin: 0;
  color: #b9c2bd;
  font-size: 17px;
}

.progress-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 72px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid #59615e;
}

.progress-steps li {
  min-height: 260px;
  padding: 27px 27px 12px 0;
  border-right: 1px solid #59615e;
}

.progress-steps li + li {
  padding-left: 27px;
}

.progress-steps li:last-child {
  border-right: 0;
}

.step-number {
  color: var(--yellow-strong);
  font-size: 13px;
  font-weight: 850;
}

.progress-steps h3 {
  margin: 52px 0 12px;
  font-size: 26px;
  line-height: 1.1;
}

.progress-steps p {
  margin: 0;
  color: #bfc7c3;
  font-size: 15px;
}

.visuals {
  background: var(--paper-deep);
}

.section-heading-dark p:last-child {
  color: var(--muted);
}

.visual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  margin-top: 58px;
}

.visual-item {
  margin: 0;
}

.visual-item img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid #a8aea8;
  border-radius: 5px;
  box-shadow: 0 14px 32px rgba(30, 37, 34, 0.14);
}

.visual-item figcaption {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 16px 2px 0;
}

.visual-item figcaption strong {
  flex: none;
  font-size: 16px;
}

.visual-item figcaption span {
  color: var(--muted);
  font-size: 14px;
  text-align: right;
}

.systems {
  background: var(--yellow);
}

.systems-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.75fr) minmax(0, 1.25fr);
  gap: 100px;
}

.systems-intro .section-label {
  color: #71452d;
}

.system-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid rgba(23, 28, 27, 0.72);
}

.system-list li {
  display: grid;
  grid-template-columns: minmax(170px, 0.62fr) minmax(0, 1fr);
  gap: 28px;
  padding: 17px 0;
  border-bottom: 1px solid rgba(23, 28, 27, 0.36);
}

.system-list strong {
  font-size: 15px;
}

.system-list span {
  color: #433d2d;
  font-size: 15px;
}

.closing {
  padding: 82px 24px;
  color: var(--white);
  background: var(--green);
}

.closing-inner {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 50px;
}

.closing h2 {
  max-width: 760px;
}

.closing .button {
  flex: none;
}

.site-footer {
  padding: 28px 24px;
  color: #c4cbc7;
  background: #111514;
  border-top: 1px solid #353c39;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  font-size: 13px;
}

.footer-inner span:first-child {
  color: var(--white);
  font-size: 16px;
  font-weight: 820;
}

.footer-inner a:hover,
.footer-inner a:focus-visible {
  color: var(--yellow-strong);
}

@media (max-width: 900px) {
  .site-header {
    min-height: 64px;
    padding: 0 20px;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    background: #171c1b;
    border-top: 1px solid #3c4541;
  }

  .site-header.nav-open .site-nav {
    display: flex;
  }

  .site-nav a {
    padding: 13px 4px;
    border-bottom: 1px solid #353d39;
  }

  .site-nav .nav-play {
    margin-top: 12px;
    padding: 12px 14px;
    text-align: center;
    border-bottom: 0;
  }

  .hero {
    min-height: 610px;
    height: 78svh;
    max-height: 740px;
  }

  .hero-content {
    width: calc(100% - 40px);
    padding: 100px 0 52px;
  }

  .hero h1 {
    font-size: 54px;
  }

  .hero-copy {
    max-width: 610px;
    font-size: 18px;
  }

  .section-pad {
    padding: 76px 20px;
  }

  .intro-grid,
  .section-heading,
  .systems-grid {
    grid-template-columns: 1fr;
    gap: 35px;
  }

  .section-heading p:last-child {
    max-width: 680px;
  }

  .intro-copy {
    padding-top: 22px;
  }

  h2 {
    font-size: 39px;
  }

  .progress-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .progress-steps li:nth-child(2) {
    border-right: 0;
  }

  .progress-steps li:nth-child(n + 3) {
    border-top: 1px solid #59615e;
  }

  .progress-steps li:nth-child(3) {
    padding-left: 0;
  }

  .visual-grid {
    grid-template-columns: 1fr;
  }

  .systems-grid {
    gap: 48px;
  }

  .closing-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (max-width: 600px) {
  .brand {
    font-size: 18px;
  }

  .brand-mark {
    width: 34px;
    height: 34px;
    font-size: 12px;
  }

  .hero-image {
    object-position: 62% center;
  }

  .hero-shade {
    background: rgba(10, 14, 13, 0.66);
  }

  .hero h1 {
    font-size: 44px;
  }

  .hero-copy {
    font-size: 17px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-facts {
    gap: 6px 18px;
  }

  h2 {
    font-size: 33px;
  }

  .intro-copy p {
    font-size: 17px;
  }

  .progress-steps {
    grid-template-columns: 1fr;
  }

  .progress-steps li,
  .progress-steps li + li,
  .progress-steps li:nth-child(3) {
    min-height: 0;
    padding: 24px 0 30px;
    border-top: 1px solid #59615e;
    border-right: 0;
  }

  .progress-steps li:first-child {
    border-top: 0;
  }

  .progress-steps h3 {
    margin-top: 24px;
  }

  .visual-item figcaption {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .visual-item figcaption span {
    text-align: left;
  }

  .system-list li {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }
}

@media (max-width: 380px) {
  .hero h1 {
    font-size: 39px;
  }

  .hero-copy {
    font-size: 16px;
  }

  .hero-facts {
    display: none;
  }

  h2 {
    font-size: 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .button {
    transition: none;
  }

  .button:hover {
    transform: none;
  }
}